- 6-position Mil-spec Diameter Receiver Extension Tube for AR15 Rifles
- Machined from 6061-T6 Aircraft Grade Aluminum
- Precisely Rolled Threads for Durable Thread Engagement with Lower Receiver
- Underwent the Tightest Tolerance Controls for a Secure Fit and Function with Various Collapsible Stocks
- Finished in a Matte Black Type III Class II Hard Coat Anodize
- Proudly Designed and Made in USA
UTG PRO Mil-Spec 6-Position Extension Tube for AR15 rifles. Extension Tube CNC machined from 6061-T6 Aircraft Grade Aluminum with precisely rolled threads for durable thread engagement with lower receiver. Proudly designed and made in USA.
|Material||6061-T6 Aircraft Grade Aluminum|